英文關鍵字
4g
abroad
app
application
autumn
back
call
calling
cell
cellphone
cellular
chat
close
closeup
coat
communication
connection
contact
conversation
device
dial
favorable
female
girl
immigrant
internet
media
migrant
mobile
online
operator
outdoor
person
phone
roaming
roof
smart
smartphone
talking
tariffs
technologies
telecommunication
telephone
up
using
windy
wireless
woman
young